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苏联研制并应用了一种新型的连续踏面式道岔。这种道岔可保证列车运行速度达到250km/h,而其使用寿命却比现用的定型道岔高四倍以上。这个科研项目得到苏联部长会议的奖金。
The Soviet Union developed and applied a new type of continuous tread turnout. This switch can guarantee the train speed up to 250km / h, and its service life than the existing fixed-type turnout more than four times. This research project won the prize of the Soviet Council of Ministers.